April 8, 2025—KB5055570 (Security-only update)

April 8, 2025—KB5055570 Security-only update End of support information Support for Windows Server 2008 R2 has ended Windows Server 2008 R2 Premium Assurance ended on January 13, 2026.Windows Server 2008 R2 Extended Security Updates ESU ended on January 10, 2023. Additionally, Extended Security...

April 9, 2025—KB5055547 (OS Build 10240.20979) - EXPIRED

April 9, 2025—KB5055547 OS Build 10240.20979 - EXPIRED EXPIRATION NOTICEIMPORTANT As of January 27, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. --- Support for...

April 8, 2025—KB5055557 (Monthly Rollup)

April 8, 2025—KB5055557 Monthly Rollup Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Windows Server 2012 R2. For a successful installation, please make sure all Subset of endpoints for ESU only...

Description of the security update for Office 2016: April 8, 2025 (KB4484432)

Description of the security update for Office 2016: April 8, 2025 KB4484432 Summary This security update resolves a Microsoft Office remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-27746. Note: To apply this...

April 8, 2025—KB5055561 (Monthly Rollup)

April 8, 2025—KB5055561 Monthly Rollup End of support information Support for Windows Server 2008 R2 has ended Windows Server 2008 R2 Premium Assurance ended on January 13, 2026.Windows Server 2008 R2 Extended Security Updates ESU ended on January 10, 2023. Additionally, Extended Security Updates...

April 8, 2025—KB5055581 (Monthly Rollup)

April 8, 2025—KB5055581 Monthly Rollup Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Windows Server 2012. For a successful installation, please make sure all Subset of endpoints for ESU only are...

April 8, 2025—KB5055527 (OS Build 25398.1551)

April 8, 2025—KB5055527 OS Build 25398.1551 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server, version 23H2, see its update history page. Change log Change date| Change description ---|--- May...

April 8, 2025—KB5055521 (OS Build 14393.7969)

April 8, 2025—KB5055521 OS Build 14393.7969 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1607, see its update history page. Important Windows updates do not install...

April 8, 2025—KB5055526 (OS Build 20348.3453)

April 8, 2025—KB5055526 OS Build 20348.3453 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server 2022, see its update history page.Be sure to follow @WindowsUpdate to find out when new content is...

April 8, 2025—KB5055528 (OS Builds 22621.5189 and 22631.5189)

April 8, 2025—KB5055528 OS Builds 22621.5189 and 22631.5189 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows 11, version 23H2, see its update history page. This month's video is ready for you on...

April 8, 2025—KB5055609 (Monthly Rollup)

April 8, 2025—KB5055609 Monthly Rollup End of support information Support for Windows Server 2008 has ended Windows Server 2008 Premium Assurance ended on January 13, 2026.Windows Server 2008 Extended Security Updates ESU ended on January 10, 2023. Additionally, Extended Security Updates on Azure...

KB5055667: Servicing stack update for Windows Server 2012: April 8, 2025

KB5055667: Servicing stack update for Windows Server 2012: April 8, 2025 End of support information Support for Windows Server 2012 will end in October 2026 Windows Server 2012 reached the end of support EOS on October 10, 2023. Extended Security Updates ESUs are available for purchase and will...

April 8, 2025-KB5055688 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022

April 8, 2025-KB5055688 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022 Release Date: April 8, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows Server 2022. Security...

April 8, 2025-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 (KB5055686)

April 8, 2025-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 KB5055686 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2...

April 8, 2025-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB5055685)

April 8, 2025-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 KB5055685 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2...

April 8, 2025-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5055687)

April 8, 2025-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 KB5055687 Applies to: Microsoft .NET Framework 2.0 Microsoft .NET Framework 3.0 Microsoft .NET Framework 3.5 SP1 Microsoft .NET Framework 4.6.2 IMPORTANT This update is included in th...

.NET 9.0 Update - April 08, 2025 (KB5056687)

.NET 9.0 Update - April 08, 2025 KB5056687 NET 9.0 has been refreshed with the latest update as of April 08, 2025. This update contains both security and non-security fixes. See the release notes for details on updated packages..NET 9.0 servicing updates are upgrades. The latest servicing update...

KB5056457: Servicing stack update for Windows Server 2008 SP2: April 8, 2025

KB5056457: Servicing stack update for Windows Server 2008 SP2: April 8, 2025 End of support information Support for Windows Server 2008 has ended Windows Server 2008 Premium Assurance ended on January 13, 2026.Windows Server 2008 Extended Security Updates ESU ended on January 10, 2023...

April 8, 2025-KB5055680 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Azure Stack HCI, version 22H2

April 8, 2025-KB5055680 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Azure Stack HCI, version 22H2 Release Date: April 8, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Azure Stack HCI,...

April 8, 2025-KB5055170 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016

April 8, 2025-KB5055170 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016 Release Date: April 8, 2025 Version: .NET Framework 4.8 The April 8, 2025 update for Windows 10, version 1607 and Windows Server 2016 includes security and cumulative reliability...

KB5056456: Servicing stack update for Windows Server 2008 R2 SP1: April 8, 2025

KB5056456: Servicing stack update for Windows Server 2008 R2 SP1: April 8, 2025 End of support information Support for Windows Server 2008 R2 has ended Windows Server 2008 R2 Premium Assurance ended on January 13, 2026.Windows Server 2008 R2 Extended Security Updates ESU ended on January 10, 2023...

April 8, 2025-Security and Quality Rollup for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 SP1 (KB5055684)

April 8, 2025-Security and Quality Rollup for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 SP1 KB5055684 Applies to: Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework...

KB5055665: Servicing stack update for Windows Server 2012 R2: April 8, 2025

KB5055665: Servicing stack update for Windows Server 2012 R2: April 8, 2025 End of support information Support for Windows Server 2012 R2 will end in October 2026 Windows Server 2012 R2 reached the end of support EOS on October 10, 2023. Extended Security Updates ESUs are available for purchase a...

April 8, 2025-KB5055683 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

April 8, 2025-KB5055683 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Release Date: April 8, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 IMPORTANT This update is included in the Cumulative Update that's dated April 8, 2025. Parts of this update were...

April 8, 2025-KB5055682 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

April 8, 2025-KB5055682 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 Release Date: April 8, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 IMPORTANT This update is included in the Cumulative Update that's dated April 8, 2025. Parts of this update were...

April 8, 2025-KB5055681 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019

April 8, 2025-KB5055681 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019 Release Date: April 8, 2025 Version: .NET Framework 3.5, 4.7.2 and 4.8 Summary This article describes the security and cumulative update for 3.5, 4.7.2 and 4.8 for...

.NET 8.0 Update - April 08, 2025 (KB5056686)

.NET 8.0 Update - April 08, 2025 KB5056686 NET 8.0 has been refreshed with the latest update as of April 08, 2025. This update contains both security and non-security fixes. See the release notes for details on updated packages..NET 8.0 servicing updates are upgrades. The latest servicing update...

KB5055661: Servicing stack update for Windows 10, version 1607 and Server 2016: April 8, 2025

KB5055661: Servicing stack update for Windows 10, version 1607 and Server 2016: April 8, 2025 Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Window...

April 8, 2025-KB5054705 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2

April 8, 2025-KB5054705 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 Release Date: April 8, 2025 Version: .NET Framework 3.5 and 4.8.1 The April 8, 2025 update for Microsoft server operating system, version 23H2 includes security and...

March 27, 2025—KB5053656 (OS Build 26100.3624) Preview

March 27, 2025—KB5053656 OS Build 26100.3624 Preview For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows 11, version 24H2, see its update history page. Follow @WindowsUpdate to find out when new conten...

March 27, 2025-KB5054979 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2

March 27, 2025-KB5054979 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 IMPORTANT This update was originally released in the Security and Quality Rollup that’s dated April 8, 2025. This update is included in the Security and Quality Rollup that’s dated April 8,...

March 25, 2025—KB5053643 (OS Build 19045.5679) Preview

March 25, 2025—KB5053643 OS Build 19045.5679 Preview Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we...

March 25, 2025-KB5055063 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

March 25, 2025-KB5055063 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Release Date: March 25, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2...

March 25, 2025—KB5053657 (OS Builds 22621.5126 and 22631.5126) Preview

March 25, 2025—KB5053657 OS Builds 22621.5126 and 22631.5126 Preview For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows 11, version 23H2, see its update history page. Follow @WindowsUpdate to find out...

Description of the security update for Excel 2016: March 11, 2025 (KB5002696)

Description of the security update for Excel 2016: March 11, 2025 KB5002696 Summary This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see the following security advisories: Microsoft Common Vulnerabilities and Exposures...

End of support for Office 2016 and Office 2019

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Description of the security update for Office Online Server: March 11, 2025 (KB5002690)

Description of the security update for Office Online Server: March 11, 2025 KB5002690 Summary This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see the following security advisories: Microsoft Common Vulnerabilities and...

Description of the security update for Access 2016: March 11, 2025 (KB5002697)

Description of the security update for Access 2016: March 11, 2025 KB5002697 Summary This security update resolves a Microsoft Access remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-26630. Note: To apply this...

Description of the security update for Office 2016: March 11, 2025 (KB5002694)

Description of the security update for Office 2016: March 11, 2025 KB5002694 Summary This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-24081. Note: To apply this...

Description of the security update for Office 2016: March 11, 2025 (KB5002693)

Description of the security update for Office 2016: March 11, 2025 KB5002693 Summary This security update resolves a Microsoft Office remote code execution vulnerability. To learn more about the vulnerability, see the following security advisories: Microsoft Common Vulnerabilities and Exposures...

March 11, 2025—KB5053627 (Security-only update)

March 11, 2025—KB5053627 Security-only update End of support information ​​​​​​​ Support for Windows Server 2008 R2 has ended Windows Server 2008 R2 Premium Assurance ended on January 13, 2026.Windows Server 2008 R2 Extended Security Updates ESU ended on January 10, 2023. Additionally, Extended...

KB5053593: Cumulative security update for Internet Explorer: March 11, 2025

KB5053593: Cumulative security update for Internet Explorer: March 11, 2025 Important Certain versions of Microsoft Internet Explorer have reached the end of support. Note that some versions of Internet Explorer may be supported past the latest OS end date when Extended Security Updates ESUs are...

February 11, 2025—KB5052000 (OS Build 17763.6893) - EXPIRED

February 11, 2025—KB5052000 OS Build 17763.6893 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. 11/17/20 For...

February 11, 2025—KB5051987 (OS Build 26100.3194)

February 11, 2025—KB5051987 OS Build 26100.3194 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 11, version 24H2, see its update history page. Note Follow @WindowsUpdate to find o...

February 11, 2025—KB5051974 (OS Builds 19044.5487 and 19045.5487) - EXPIRED

February 11, 2025—KB5051974 OS Builds 19044.5487 and 19045.5487 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. --...

.NET 8.0 Update - March 11, 2025 (KB5054229)

.NET 8.0 Update - March 11, 2025 KB5054229 NET 8.0 has been refreshed with the latest update as of March 11, 2025. This update contains both security and non-security fixes. See the release notes for details on updated packages..NET 8.0 servicing updates are upgrades. The latest servicing update...

March 11, 2025—KB5053618 (OS Build 10240.20947)

March 11, 2025—KB5053618 OS Build 10240.20947 Support for Windows 10 has ended on October 14, 2025 After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend...

March 11, 2025—KB5053598 (OS Build 26100.3476)

March 11, 2025—KB5053598 OS Build 26100.3476 For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows 11, version 24H2, see its update history page. Follow @WindowsUpdate to find out when new content is...

March 11, 2025—KB5053596 (OS Build 17763.7009) - EXPIRED

March 11, 2025—KB5053596 OS Build 17763.7009 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. Support for Windows 1...

March 11, 2025—Hotpatch KB5053636 (OS Build 26100.3403)

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